The normal current of the air compressor is 1.15% of the rated current, so what is the cause of the high current of the air compressor motor? ◆1. The ambient temperature of the air compressor is too high. Treatment method: Air compressor should be installed with air duct type air exhaust equipment; ◆2, air compressor three-phase voltage is unstable, owing phase, voltage is too low (less than 10%). Treatment method: Please improve the power system of the plant; ◆3, the air compressor motor temperature controller fails. Treatment method: replace the air compressor temperature controller; ◆4, the air compressor overload protector is faulty. Treatment method: replace the overload protector of the air compressor; ◆5, the contact of the air compressor starter contact is poor. Treatment method: the air compressor starter contact is used for maintenance; ◆6, the air compressor oil separator is blocked. Treatment method: When the pressure difference of the air compressor is greater than 0.8-1kg, the oil separator should be replaced; ◆7, the air compressor motor bearing is not refueled. Treatment method: Fill the motor bearing with butter; ◆8, the air compressor motor bearing is damaged. Treatment method: replace the motor bearing; ◆9, the air compressor motor insulation is poor. Treatment method: remove the motor to do the insulation strengthening treatment; ◆10, the air compressor motor wiring is loose. Treatment method: re-lock the motor wiring; ◆11, the air compressor inlet port is blocked. Treatment method: clean and maintain the air inlet of the air compressor; ◆12, air compressor air filter is blocked. Treatment: Replace the air filter. Label [Cause and treatment method of air compressor motor current is too high] [ Screw air compressor troubleshooting]

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